Title (en)

EMERGENCY LIGHTING SYSTEM

Title (de)

NOTBELEUCHTUNGSSYSTEM

Title (fr)

SYSTÈME D'ÉCLAIRAGE D'URGENCE

Publication

EP 4015895 A1 20220622 (EN)

Application

EP 20214513 A 20201216

Priority

EP 20214513 A 20201216

Abstract (en)

An emergency lighting system (1) is provided, comprising an emergency lighting means (103); a power converter (102); and a battery (101). The emergency lighting means (103) is configured to emit a light output (201) in accordance with a supply power fed by the power converter (102) off the battery (101). The power converter (102) is configured to feed the emergency lighting means (103) in accordance with a mandatory minimum light output (201'), in commencing a feed of the emergency lighting means (103); and feed the emergency lighting means (103) in accordance with a boost light output (201") exceeding the mandatory minimum light output (201') for a limited boost period (202), in response to a reading of a sensor (104) connectable to the emergency lighting system (1). This is in support of seamless human vision at a transition to emergency illumination.

IPC 8 full level

F21S 9/02 (2006.01); G08B 7/06 (2006.01); H02J 9/06 (2006.01); H05B 47/19 (2020.01)

CPC (source: EP GB)

G08B 7/062 (2013.01 - EP GB); G08B 7/066 (2013.01 - EP GB); H02J 9/065 (2013.01 - EP GB); H05B 47/115 (2020.01 - EP GB); H05B 47/12 (2020.01 - EP GB); H05B 47/16 (2020.01 - EP GB); F21S 9/022 (2013.01 - EP GB); H02J 7/35 (2013.01 - EP GB); H05B 47/175 (2020.01 - EP GB); Y02B 10/70 (2013.01 - EP GB)

Citation (search report)

• [XI] US 2005135103 A1 20050623 - EVANS DONALD F [US]
• [XI] WO 2015021794 A1 20150219 - OK CONSTRUCTION MATERIALS SUPPLY CO LTD [CN], et al
• [A] US 2011133655 A1 20110609 - RECKER MICHAEL V [US], et al
• [A] JP 2019212454 A 20191212 - MITSUBISHI ELECTRIC CORP

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 4015895 A1 20220622; GB 202307451 D0 20230705; GB 2615923 A 20230823; WO 2022129168 A1 20220623

DOCDB simple family (application)

EP 20214513 A 20201216; EP 2021085883 W 20211215; GB 202307451 A 20211215